org.extex.ocpware.compiler.state
Class StatePush

java.lang.Object
  org.extex.ocpware.compiler.state.StatePush

All Implemented Interfaces:

RightState

public class StatePush
extends java.lang.Object
implements RightState

This state change instruction pushes the current state to the state stack and sets the current state to a new value. In the input stream it is represented by a sequence of th following form:

  <push: ⟨state⟩>   

Here ⟨state⟩ denotes the symbolic name of a state.

Version:

$Revision:6007 $

Author:

Gerd Neugebauer

Constructor Summary

StatePush(java.lang.String state)
Creates a new object.

Method Summary

void	compile(CompilerState cs, boolean withOffset) Translate a right state expression into a set of instructions.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StatePush

public StatePush(java.lang.String state)

Creates a new object.

Parameters:

state - the state

Method Detail

compile

public void compile(CompilerState cs,
                    boolean withOffset)
             throws java.io.IOException,
                    StateNotDefinedException,
                    ArgmentTooBigException

Translate a right state expression into a set of instructions.

Specified by:

compile in interface RightState

Parameters:

cs - the compiler state

withOffset - push back instead of output

Throws:

java.io.IOException - in case of an error

StateNotDefinedException

ArgmentTooBigException - in case that an argument is encountered which does not fit into two bytes

See Also:

RightState.compile( org.extex.ocpware.compiler.parser.CompilerState, boolean)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()